98904068865 has 144 divisors (see below), whose sum is σ = 201186550656. Its totient is φ = 44946720000.

The previous prime is 98904068849. The next prime is 98904068869. The reversal of 98904068865 is 56886040989.

98904068865 is a `hidden beast` number, since 9 + 8 + 90 + 406 + 88 + 65 = 666.

It is not a de Polignac number, because 98904068865 - 2⁴ = 98904068849 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (98904068869) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 189834805 + ... + 189835325.

It is an arithmetic number, because the mean of its divisors is an integer number (1397128824).

Almost surely, 2^98904068865 is an apocalyptic number.

It is an amenable number.

98904068865 is an abundant number, since it is smaller than the sum of its proper divisors (102282481791).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

98904068865 is an equidigital number, since it uses as much as digits as its factorization.

98904068865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818 (or 787 counting only the distinct ones).

The product of its (nonzero) digits is 29859840, while the sum is 63.

The spelling of 98904068865 in words is "ninety-eight billion, nine hundred four million, sixty-eight thousand, eight hundred sixty-five".